Wave Attenuation at the Mobile Stable Berm

by Gregory L. Williams, (A.M.ASCE), U.S. Army Engineer Waterways, Experiement Station, Vicksburg, United States,
Cheryl Burke Pollock, (A.M.ASCE), U.S. Army Engineer Waterways, Experiement Station, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Ocean Wave Measurement and Analysis

Abstract: This paper describes work examining the ability of submerged berms to `filter' certain erosive wave energy while allowing accretionary type waves to pass unhindered. Analysis of wave data from the National Nearshore Berm Demonstration Project's Mobile Stable Berm shows that overall attenuation is greater for waves of increased steepness, H/L. Application of erosion/accretion criteria developed by Kraus, Larson and Kriebel (1991) and Zwamborn et al. (1970) quantifies the attenuation of these erosive, higher energy waves.

Subject Headings: Berms | Wave attenuation | Erosion | Submerging | Filters | Hydro power | Data analysis | Nearshore

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